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BUSINESS SEGMENTS Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Crude oil and natural gas segment      
Depreciation, depletion and amortization from continuing operations $ 416,874 $ 303,258 $ 192,528
Oil and Gas Properties      
Crude oil and natural gas segment      
Depreciation, depletion and amortization from continuing operations $ 413,100 $ 298,800 $ 188,500